[EGrouped [EBinary "\\frac" (EIdentifier "A") (EGrouped [EIdentifier "B",ESymbol Op "+",EBinary "\\frac" (EIdentifier "C") (EGrouped [EIdentifier "D",ESymbol Op "+",EBinary "\\frac" (EIdentifier "E") (EIdentifier "F")])]),ESymbol Op "=",EBinary "\\frac" (EGrouped [EOver (EIdentifier "A") (EUnary "\\phantom" (EGrouped [ENumber "0"]))]) (EGrouped [EIdentifier "B",ESymbol Op "+",EBinary "\\frac" (EIdentifier "C") (EGrouped [EIdentifier "D",ESymbol Op "+",EBinary "\\frac" (EIdentifier "E") (EGrouped [EUnder (EIdentifier "F") (EUnary "\\phantom" (EGrouped [ENumber "0"]))])])])]]